Osamu is a shy highschool girl who is a fujoshi and massive introvert. She is one of the few ghost hunters who can fight geeky ghosts, making her a local hero.

Vengeful spirit is a mass of emotions that clings to this world with a grudge. In the growing modern world, vengeful spirits with various "grudges" were born, and there were also exorcists who specialized in that particular field. The wild "shitty big emotion" that the exorcist Osamu faces is... a fangirl?! She loves manga and anime, and she calms raging spirits. A gag series featuring a contemporary exorcist!
 
(Source: MANGA Plus)
 
Note: The chapter count contains 3 extra chapters.

Osamu Inui